setup.py

#!/usr/bin/env python
import os
from itertools import chain

from extension_helpers import get_extensions
from setuptools import setup
from setuptools.config import read_configuration

################################################################################
# Programmatically generate some extras combos.
################################################################################
extras = read_configuration("setup.cfg")["options"]["extras_require"]

# Dev is everything
extras["dev"] = list(chain(*extras.values()))

# All is everything but tests and docs
exclude_keys = ("tests", "docs", "dev")
ex_extras = dict(filter(lambda i: i[0] not in exclude_keys, extras.items()))
# Concatenate all the values together for 'all'
extras["all"] = list(chain.from_iterable(ex_extras.values()))
setup(
    extras_require=extras,
    use_scm_version={"write_to": os.path.join("sunkit_image", "_version.py")},
    ext_modules=get_extensions(),
)